Science

Thursday, 5 February 2026
13 facts about tears
13 facts about tears
Multipurpose liquid
Associated with emotions, tears are a product of lacrimal glands, found in the eyes of most terrestrial vertebrates. Although their primary function i ...

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Aurora
The Aurora Australis appears within the Earth's south magnetic pole.
The phenomenon can be observed in Tasmania, a mountainous island about 300 km south of the Australia ...
NASA
Any astronaut interested in working for NASA has to complete 1 000 hours of flying time.
Graphene
Graphene was successfully isolated and characterized in 2004 by Andrei Geim and Konstantin Novoselov from the University of Manchester.
They isolated layers of graphene from graphite using ordinary adhesive tape. They placed a graphite ...
Ganymede
Probably in 365 BC, the Chinese astronomer Gan De managed to observe Ganymede with the naked eye.
Large Magellanic Cloud
The diameter of the Large Magellanic Cloud is approximately 14.000 light years.
Aurora
The Aurora Borealis in the northern hemisphere is visible between September 21 and March 21, between 6 p.m. and 1 a.m. when it is dark outside.
The range of the region in Northern Europe includes the Kola Peninsula in Russia and the territory of three Nordic countries: Finland, Sweden, and Norway.
Fungi
Mushrooms are of great importance in the development of civilization, due to their key role in the production of bread and wine.
Many species of mushrooms are used in food production: bread, alcohol, and cheese. Some of them, suc ...
Aurora
Auroras take many shapes. They can appear in the form of colored rays, streaks, ribbons, curtains, crowns, arcs, and others.
Fungi
The fungus Ophiocordyceps unilateralis can take over ants.
Cordyceps species are parasitic fungi that live on animals - insect larvae or spiders - using them a ...
Moon
The diameter of the Moon is 3474 km, which means it is approximately 1/4 of the diameter of the Earth.